405450682353 has 16 divisors (see below), whose sum is σ = 615318110400. Its totient is φ = 263707760160.

The previous prime is 405450682349. The next prime is 405450682421. The reversal of 405450682353 is 353286054504.

405450682353 is a `hidden beast` number, since 40 + 54 + 506 + 8 + 2 + 3 + 53 = 666.

It is not a de Polignac number, because 405450682353 - 2² = 405450682349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405450682299 and 405450682308.

It is not an unprimeable number, because it can be changed into a prime (405450682303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183129283 + ... + 183131496.

It is an arithmetic number, because the mean of its divisors is an integer number (38457381900).

Almost surely, 2^405450682353 is an apocalyptic number.

It is an amenable number.

405450682353 is a deficient number, since it is larger than the sum of its proper divisors (209867428047).

405450682353 is a wasteful number, since it uses less digits than its factorization.

405450682353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366260829 (or 366260823 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 405450682353 in words is "four hundred five billion, four hundred fifty million, six hundred eighty-two thousand, three hundred fifty-three".